1.Chapter 34: Vertebrates (sea squirts through birds)2. Chordate Phylogeny 3.   4. Chordate Characteristics 5. Subphylum Urochordata The urochordates include the tunicates,…

1.Chapter 34: Vertebrates (sea squirts through birds)2. Chordate Phylogeny 3.   4. Chordate Characteristics 5. Subphylum Urochordata The urochordates include the tunicates,…

Slide 1 no similarity vs no homology If two (complex) sequences show significant similarity in their primary sequence, they have shared ancestry, and probably similar function.…

Slide 1 Family trees (Charles Darwin http://www.aboutdarwin.com/ ) Trees as a Tool to Visualize Evolutionary History Lamarck’s “Tree of Life” (1815) Page B26 from Charles…

Slide 1 Branches, splits, bipartitions In a rooted tree: clades Mono-, Para-, polyphyletic groups, cladists and a natural taxonomy Terminology The term cladogram refers to…

Coalescence and the Cenancestor J. Peter Gogarten University of Connecticut Department of Molecular and Cell Biology Acknowledgements NSF Microbial Genetics NASA Exobiology…

no similarity vs no homology If two (complex) sequences show significant similarity in their primary sequence, they have shared ancestry, and probably similar function. THE…

The Tree of Life according to SSU ribosomal RNA (+) Cenancestor (aka MRCA or LUCA) as placed by ancient duplicated genes (ATPases, Signal recognition particles, EF) The âRootâ…

Role of HGT in Innovation and Speciation The Coral of Life (Darwin) ZHAXYBAYEVA and GOGARTEN (2004): Cladogenesis, Coalescence and the Evolution of the Three Domains of Life.…

Role of HGT in Innovation and Speciation The Coral of Life (Darwin) ZHAXYBAYEVA and GOGARTEN (2004): Cladogenesis, Coalescence and the Evolution of the Three Domains of Life.…